# Simply Water Hydration Tracker vs Duvimo

The clearest difference is in-app purchases: Duvimo at none against Simply Water Hydration Tracker's 1. Duvimo also leads on iOS requirement (13.4 vs 16.4). Simply Water Hydration Tracker's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Simply Water Hydration Tracker sells 1 one-off in-app purchase. Duvimo asks for nothing beyond the download.

Simply Water Hydration Tracker ships an update weekly, Duvimo every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Simply Water Hydration Tracker | Duvimo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/simply-water-hydration-tracker/id6742065968/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 25 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Corey Foster](https://appshunter.io/developer/1492748951) | [磊华 曹](https://appshunter.io/developer/1776967974) |

## What reviewers say

### Simply Water Hydration Tracker

[App page](https://appshunter.io/ios/app/simply-water-hydration-tracker/id6742065968)

Effortlessly track your daily water intake with a beautiful, minimalist interface. Set personal hydration goals and view your progress with quick-log presets or custom amounts. Your data remains private and on your device.

**Highlights:** Quick-log presets, Custom amount logging, Daily goal tracking, Hydration history, Metric & Imperial support, Minimalist design, Dark mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### Duvimo

[App page](https://appshunter.io/ios/app/duvimo/id6747253586)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simply Water Hydration Tracker free?

Simply Water Hydration Tracker is free to download, with in-app purchases available.

### Is Duvimo free?

Duvimo is free to download, with no in-app purchases.

### Do Simply Water Hydration Tracker or Duvimo have ads?

Neither Simply Water Hydration Tracker nor Duvimo shows ads.

### Which is updated more often, Simply Water Hydration Tracker or Duvimo?

Simply Water Hydration Tracker ships an update weekly, and Duvimo every 7 months. Most recently, Simply Water Hydration Tracker was updated on October 24, 2026 and Duvimo on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*